Jessie J – Who You Are

Bass Guitar – Butch Coleman
Coordinator [Production Co-ordination] – Megan Dennis
Coordinator [Production Co-ordination] – Irene Richter
Drums, Keyboards, Programmed By – Dr. Luke
Engineer – Emily Wright
Engineer – Chris "Tek" O'Ryan
Engineer – Sam Holland
Engineer [Assistant Mix Engineer] – Tim Roberts
Engineer [Assisted By] – Tatiana Gottwald
Featuring, Vocals [Additional Vocals] – B.O.B
Mixed By – John Hanes
Mixed By – Serban Ghenea
Producer – Dr. Luke
Recorded By – Emily Wright
Recorded By – Chris "Tek" O'Ryan
Recorded By – Sam Holland
Written-By – Claude Kelly
Written-By – Bobby Ray Simmons, Jr.
Written-By – Lukasz Gottwald
Written-By – Jessica Cornish

Mastered By – Miles Showell
Producer – Claude Kelly
Producer – Andre Brissett
Programmed By [Assisted By], Mixed By [Assisted By] – Ben Baptie
Programmed By, Mixed By – Tom Elmhirst
Recorded By – Benjamin Chang
Written-By – Claude Kelly
Written-By – Jessica Cornish
Written-By – Andre Brissett

Bass – Butch Coleman
Coordinator [Production Co-ordination] – Megan Dennis
Coordinator [Production Co-ordination] – Irene Richter
Drums, Keyboards, Programmed By – Dr. Luke
Engineer [Assistant Mix Engineer] – Tim Roberts
Engineer [Assistant Recording Engineer] – Aniella Gottwald
Engineer [Mix Engineer] – John Hanes
Mixed By – Serban Ghenea
Producer – Dr. Luke
Recorded By – Chris "Tek" O'Ryan
Recorded By – Sam Holland
Written-By – Claude Kelly
Written-By – Lukasz Gottwald
Written-By – Jessica Cornish

Guitar [Guitars] – Benjamin Martinez
Mixed By – Jean-Marie Horvat
Producer – Jessie J
Producer – Benjamin Martinez
Recorded By – Jon Moon
Written-By – Jessica Cornish

Engineer [Assistant Mix Engineer] – Tim Roberts
Engineer [Mix Engineer] – John Hanes
Instruments [All Instruments], Programmed By – Martin Kleveland
Management [Martin K Management] – Dancin' Danny D
Management [Martin K Management] – Tim Blacksmith (3)
Mixed By – Serban Ghenea
Producer – Martin Kleveland
Recorded By – Francis Murray
Recorded By – Martin Kleveland
Written-By – F. Fendi Fleurimond
Written-By – Martin Kleveland
Written-By – Natalie Walker
Written-By – Jessica Cornish
Written-By – Pen Up Girls

Coordinator [Production Co-ordination] – Tanisha Broadwater
Coordinator [Production Co-ordination] – Donnie Meadows
Mixed By – Jean-Marie Horvat
Producer – Oak (6)
Written-By – Kasia Livingston
Written-By – Edwin Serrano
Written-By – Warren Felder
Written-By – Jessica Cornish

Keyboards – Jon Shave
Keyboards – Kyle Abrahams
Keyboards – Peter Ighile
Keyboards – Jason Pebworth
Mixed By – Jean-Marie Horvat
Mixed By [Assistant Mixer] – Zachariah Redding
Producer – Parker & James
Producer – The Invisible Men
Programmed By – Jon Shave
Programmed By – Kyle Abrahams
Programmed By – Peter Ighile
Programmed By – George Astasio
Programmed By [Additional Programming] – Jean-Marie Horvat
Recorded By – The Invisible Men
Written-By – Jon Shave
Written-By – Kyle Abrahams
Written-By – Peter Ighile
Written-By – Parker & James
Written-By – Talay Riley
Written-By – George Astasio
Written-By – Jason Pebworth
Written-By – Jessica Cornish
Written-By – The Invisible Men

Guitar [Guitars] – Peter Ighile
Keyboards – Jon Shave
Keyboards – Kyle Abrahams
Keyboards – Peter Ighile
Keyboards – Jason Pebworth
Mixed By – Serban Ghenea
Producer – Parker & James
Producer – The Invisible Men
Programmed By – Jon Shave
Programmed By – Kyle Abrahams
Programmed By – Peter Ighile
Programmed By – George Astasio
Recorded By – The Invisible Men
Written-By – Jon Shave
Written-By – Kyle Abrahams
Written-By – Peter Ighile
Written-By – Parker & James
Written-By – George Astasio
Written-By – Jason Pebworth
Written-By – Jessica Cornish
Written-By – The Invisible Men

Bass, Percussion – Ash Thomas
Drums – Richard Adlam
Guitar [Guitars] – Benjamin Martinez
Guitar [Guitars] – Hal Ritson
Keyboards – Ash Thomas
Keyboards – Richard Adlam
Keyboards – Justin Broad
Mixed By, Programmed By – Ash Thomas
Mixed By, Programmed By – Justin Broad
Producer [Vocal Production] – Ash Thomas
Producer [Vocal Production] – The Invisible Men
Producer, Recorded By – Ash Thomas
Saxophone – Hal Ritson
Trumpet, Flugelhorn – Neil Waters
Written-By – Jessica Cornish
Written-By – Ash Thomas

Producer, Mixed By, Recorded By – Toby Gad
Written-By – Toby Gad
Written-By – Jessica Cornish

Bass – Steve Octave
Drums, Programmed By – Karl "K-Gee" Gordon
Guitar – John Benson
Guitar – Steve Octave
Mixed By – Jean-Marie Horvat
Producer – Karl "K-Gee" Gordon
Producer [Vocal Production] – The Invisible Men
Strings – Apollo Strings
Strings – Clementine Vale
Written-By – John Benson
Written-By – Jessica Cornish
Written-By – Karl "K-Gee" Gordon
Written-By – Arnold, Martin And Morrow

Coordinator [Production Co-ordination] – Tanisha Broadwater
Coordinator [Production Co-ordination] – Donnie Meadows
Mixed By – Jean-Marie Horvat
Producer, Recorded By – Oak (6)
Written-By – Robert Allen (4)
Written-By – Chris Brown (4)
Written-By – Warren Felder
Written-By – Jessica Cornish

Producer, Recorded By, Mixed By – Toby Gad
Strings – James Sitterly
Written-By – Toby Gad
Written-By – Jessica Cornish
Written-By – Shelly Peiken

Coordinator [Production Coordination] – Katie Mitzell
Coordinator [Production Coordination] – Irene Richter
Engineer – Emily Wright
Engineer [Assistant Engineered For Mix] – Phil Seaford
Engineer [Assisted By] – Clint Gibbs
Engineer [Engineered For Mix] – John Hanes
Instruments [All Instruments], Programmed By – DJ Cirkut
Instruments [All Instruments], Programmed By – Dr. Luke
Mixed By – Serban Ghenea
Producer – DJ Cirkut
Producer – Dr. Luke
Producer [Vocal Production] – Emily Wright
Producer [Vocal Production] – Lukasz Gottwald
Vocals – Jessie J
Vocals [Additional] – Claude Kelly
Written-By – Claude Kelly
Written-By – Lukasz Gottwald
Written-By – Jessica Cornish
Written-By – Max Martin
Written-By – Henry Walter

Drums, Programmed By – Rafael Haley
Guitar – George Astasio
Guitar – Greg Haley
Keyboards – Jon Shave
Keyboards – Jason Pebworth
Keyboards – Charlie Platt
Keyboards – Carl Haley
Mixed By – Jean-Marie Horvat
Producer – The Fives (2)
Producer – The Invisible Men
Recorded By – The Invisible Men
Vocals – Jessie J
Written-By – The Fives (2)
Written-By – Jessica Cornish
Written-By – The Invisible Men

Featuring – David Guetta
Mixed By, Mastered By – David Guetta
Producer – Frédéric Riesterer
Producer – Giorgio Tuinfort
Producer – David Guetta
Producer [Originally Produced By] – The Invisible Men
Recorded By [Vocals Recorded By] – The Invisible Men
Vocals – Jessie J
Written-By – Frédéric Riesterer
Written-By – Giorgio Tuinfort
Written-By – Jessica Cornish
Written-By – David Guetta
Written-By – The Invisible Men